Inventor · disambiguated record
Ryuichi Ikematsu
Also filed as: IKEMATSU RYUICHI
11 granted patents·1 pending application·229 citations·filing 1993–2015
90Inventor score
Top patents by PatentIndex Score
12 records- 0182US7298694B2Apparatus and method for GFP frame transferNEC CORP·Filed 2001·Granted Nov 20, 2007·36 cites·52 claims
- 0279US5359600AHigh throughput supervisory system for ATM switching systems transporting STM-N signalsNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Oct 25, 1994·106 cites·3 claims
- 0372US10193651B2Optical network controller and optical network control methodNEC CORP·Filed 2015·Granted Jan 29, 2019·2 cites·17 claims
- 0470US9609401B2Optical switch, optical transmission device, and optical switching methodNEC CORP·Filed 2013·Granted Mar 28, 2017·2 cites·15 claims
- 0568US6756898B2Network termination device, alarm transfer system and alarm transferring methodNEC CORP·Filed 2002·Granted Jun 29, 2004·14 cites·12 claims
- 0662US6731636B1Scheduler using small sized shuffle pattern in ATM networkNEC CORP·Filed 2000·Granted May 4, 2004·9 cites·22 claims
- 0760US6934295B2Multi-mode scheduler, apparatus including multi-mode scheduler and multi-mode scheduling methodNEC CORP·Filed 2001·Granted Aug 23, 2005·7 cites·17 claims
- 0860US5440565ATest method and apparatus capable of testing reception of a desired cell through a virtual pathNEC CORP·Filed 1994·Granted Aug 8, 1995·31 cites·5 claims
- 0942US8693338B2Quality measuring system, quality measuring apparatus, quality measuring method, and programIKEMATSU RYUICHI·Filed 2009·Granted Apr 8, 2014·0 cites·13 claims
- 1041US6535479B1Hitless switching system of ATM switch apparatus in which discard priority control is stoppedNEC CORP·Filed 1998·Granted Mar 18, 2003·16 cites·17 claims
- 1140US2008040081A1Simulation method for improving freedom of setting parameters relating to input/output characteristics of a memory chipELPIDA MEMORY INC·Filed 2007·Application pending·0 cites
- 1232US6490282B1Switching system for asynchronous transfer mode switchNEC CORP·Filed 1999·Granted Dec 3, 2002·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →